<template>
  <div>
    <!-- 顶部面包屑标识与导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right" style="font-size: 16px;">
      <el-breadcrumb-item :to="{ path: '/' }">
        <i class="el-icon-s-promotion"></i> 后台管理
      </el-breadcrumb-item>
      <el-breadcrumb-item :to="{ path: '/sys-admin/product/category' }">类别管理</el-breadcrumb-item>
      <el-breadcrumb-item>添加类别</el-breadcrumb-item>
    </el-breadcrumb>
    <el-divider></el-divider>

    <!-- 添加数据的表单 -->
    <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="130px" class="demo-ruleForm">
      <el-form-item label="父级类别" prop="parentId">
        <el-cascader
                style="width: 100%;"
                placeholder="请选择父级类别，如不选择，则表示无父级类别"
                :props="{ checkStrictly: true }"
                v-model="ruleForm.parentId"
                :options="parentCategoryOptions"></el-cascader>
        <span>如果父级类别列表不准确，请点击 <a class="simple-link" href="#" @click="loadCategoryTree">这里</a> 刷新。</span>
      </el-form-item>
      <el-form-item label="名称" prop="name">
        <el-input v-model="ruleForm.name"></el-input>
      </el-form-item>
      <el-form-item label="关键词列表" prop="keywords">
        <el-input v-model="ruleForm.keywords"></el-input>
      </el-form-item>
      <el-form-item label="图标" prop="icon">
        <el-input v-model="ruleForm.icon"></el-input>
      </el-form-item>
      <el-form-item label="排序序号" prop="sort">
        <el-input v-model="ruleForm.sort"></el-input>
      </el-form-item>
      <el-form-item label="是否启用">
        <el-switch
                v-model="ruleForm.enable"
                :active-value="1"
                :inactive-value="0"
                active-color="#13ce66"
                inactive-color="#999">
        </el-switch>
      </el-form-item>
      <el-form-item label="是否显示在导航栏">
        <el-switch
                v-model="ruleForm.isDisplay"
                :active-value="1"
                :inactive-value="0"
                active-color="#13ce66"
                inactive-color="#999">
        </el-switch>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleForm')">添加</el-button>
        <el-button @click="resetForm('ruleForm')">重置</el-button>
        <el-button type="warning" @click="gotoList">返回列表</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        // 父级类别的下拉菜单的选项数据
        parentCategoryOptions: [],
        // 表单
        ruleForm: {
          parentId: 0,
          name: '测试数据001',
          keywords: '测试关键词1,测试关键词2',
          icon: 'https://cube.elemecdn.com/e/fd/0fc7d20532fdaf769a25683617711png.png',
          sort: '99',
          enable: 1,
          isDisplay: 1
        },
        // 表单规则
        rules: {
          // parentId: [
          //   {required: true, message: '请输入父级类别ID', trigger: 'blur'},
          //   {pattern: /^\d+$/, message: '请选择有效的父级类别', trigger: 'blur'}
          // ],
          name: [
            {required: true, message: '请输入类别名称', trigger: 'blur'},
            {min: 1, max: 8, message: '长度在 1 到 8 个字符', trigger: 'blur'}
          ],
          keywords: [
            {required: true, message: '请输入类别关键词列表', trigger: 'blur'},
            {min: 2, max: 35, message: '长度在 2 到 35 个字符', trigger: 'blur'}
          ],
          icon: [
            {required: true, message: '请输入类别图标的URL', trigger: 'blur'},
            {min: 20, max: 255, message: '长度在 20 到 255 个字符', trigger: 'blur'}
          ],
          sort: [
            {required: true, message: '请输入排序序号', trigger: 'blur'},
            {pattern: /^(\d{1}|[1-9]{1}[0-9]?)$/, message: '排序序号必须是 0~99 之间的数字', trigger: 'blur'}
          ]
        }
      };
    },
    methods: {
      // 返回列表
      gotoList() {
        this.$router.push('./');
      },
      // 提交表单
      submitForm(formName) {
        if (Array.isArray(this.ruleForm.parentId)) {
          this.ruleForm.parentId = this.ruleForm.parentId.pop();
        }
        this.$refs[formName].validate((valid) => {
          if (valid) {
            let url="http://176.212.26.33:8088/category/insert"
            console.log(url)
            let jwt=localStorage.getItem('jwt');

            this.axios.create({
              'headers':{
                'Authorization': jwt
              }
            }).post(url,this.qs.stringify(this.ruleForm)).then((response)=> {
              console.log(response.data);
              if(response.data.state==2000){
                this.$message.success("添加成功!");
                this.resetForm(formName);
              }else {
                this.$message.error("添加失败!")
              }
            });
          } else {
            console.log('error submit!!');
            return false;
          }
        });
      },
      // 重置表单
      resetForm(formName) {
        this.$refs[formName].resetFields();
      },
      // 加载类别树的数据
      loadCategoryTree() {
        let url = 'http://176.212.26.33:8088/category/listTree';
        console.log('url = ' + url);

        let jwt=localStorage.getItem('jwt');
        this.axios.create({
          'headers':{
            'Authorization': jwt
          }
        }).get(url).then((response) => {
          let jsonResult = response.data;
          if (jsonResult.state == 2000) {
            this.parentCategoryOptions = jsonResult.data;
            this.parentCategoryOptions.unshift({
              value: 0,
              label: '无父级类别'
            });
            this.ruleForm.parentId = "0";
          }
        });
      }
    },
    mounted() {
      this.loadCategoryTree();
    }
  }
</script>

<style>
  .simple-link {
    color: #409eff;
    text-decoration: underline;
  }
</style>